Karokaro, Tati Murni, and Melisa Queen Hutabarat. “Differences in Giving of Mc Kenzie Exercise and Core Stability Exercise Toward Functional Activity of Patients With Lower Back Pain in GrandMed Hospital Lubuk Pakam”. JURNAL KEPERAWATAN DAN FISIOTERAPI (JKF) 1, no. 1 (October 15, 2018): 47–53. Accessed November 21, 2024. https://ejournal.medistra.ac.id/index.php/JKF/article/view/74.